Passenger ships shall comply with the requirements of 2.2 and 2.3.
3.1.1 In addition, the angle of heel on account
of crowding of passengers to one side as defined below shall not exceed
10°.
3.1.1.1 A minimum weight of 75 kg shall be assumed
for each passenger except that this value may be increased subject
to the approval of the Administration. In addition, the mass and distribution
of the luggage shall be approved by the Administration.
3.1.1.2 The height of the centre of gravity for
passengers shall be assumed equal to:
-
.1 1 m above deck level for passengers standing
upright. Account may be taken, if necessary, of camber and sheer of
deck; and
-
.2 0.3 m above the seat in respect of seated passengers.
3.1.1.3 Passengers and luggage shall be considered
to be in the spaces normally at their disposal, when assessing compliance
with the criteria given in 2.2.1 to 2.2.4.
3.1.1.4 Passengers without luggage shall be considered
as distributed to produce the most unfavourable combination of passenger
heeling moment and/or initial metacentric height, which may be obtained
in practice, when assessing compliance with the criteria given in
3.1.1 and 3.1.2, respectively. In this connection, a value higher
than four persons per square metre is not necessary.
3.1.2 In addition, the angle of heel on account
of turning shall not exceed 10° when calculated using the following
formula:
where:
-
M
R
= heeling moment (kNm)
-
v
0
= service speed (m/s)
-
L
WL
= length of ship at
waterline (m)
-
Δ = displacement (t)
-
d
= mean draught (m)
-
KG
= height of centre of gravity
above baseline (m).